Greetings,
I have a Whirlpool Gold Double Oven GBD307PRS00. Over the past week, I noticed the display was getting dimmer and dimmer. Now the display is completely blank. I can turn the oven lights on and off, but neither oven will turn on anymore. When I attempt to turn the oven on, it gives me 3 short beeps.
Any help will be greatly appreciated.
Thanks
steve

Try powering the unit off for a couple hours to see if it will reset,
I doubt this will do anything.

First check to be sure the power in is good. L1 to L2 240 volts.
L1 to Neutral and L2 to Neutral = 120 volts each

Check the secondary winding of the transformer, should be around 15 volts (I think, just by using the winding ratio). If it no good remove the plug at the control board and check the resistance of the windings.

If both the above are OK

Disconnect the keypad from the control board.
Power it up to see if now the display is coming on.
If no, then odds are high that your control board is shot.
If yes then perhaps the keypad has a fault and is drawing down the power supply on the control board. Unfortunately I cannot find a pinout/wiring diagram for the keypad.

Remember to always remove power from the unit when working on it.
240 VOLTS IS LETHAL!!!

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